The agency now estimates that the number of people on earth in 2100 will be ten billion and still climbing.

The agency estimates the deal's ultimate cost to the Government at $1.7 billion.

The agency estimates that in 1970 there were 2.5 million refugees.

The agency estimates there are 168,000 public water systems nationwide.

The agency estimated that it would cost roughly $175,000 to start the program.

The agency estimated the additional cost at $500 million a year.

The agency estimates it will take another two years to complete the work.

That is more than double the amount the agency had estimated six weeks ago.

But the nation's environmental agency estimates that the trust will have only $28 million by next year.

The agency estimated that 165,000 to 215,000 will die by the end of 1993.